Source code for hwtLib.commonHwIO.addr

from hwt.hwIOs.agents.rdVldSync import HwIODataRdVldAgent
from hwt.hwIOs.std import HwIORdVldSync, HwIOVectSignal
from hwt.hwParam import HwParam
from hwt.pyUtils.typingFuture import override
from hwtSimApi.hdlSimulator import HdlSimulator




class HwIOAddrRdVld(HwIORdVldSync):

    @override
    def hwConfig(self):
        self.ID_WIDTH = HwParam(4)
        self.ADDR_WIDTH = HwParam(32)

    @override
    def hwDeclr(self):
        if self.ID_WIDTH:
            self.id = HwIOVectSignal(self.ID_WIDTH)
        self.addr = HwIOVectSignal(self.ADDR_WIDTH)
        HwIORdVldSync.hwDeclr(self)



    @override
    def _initSimAgent(self, sim: HdlSimulator):
        self._ag = HwIOAddrRdVldAgent(sim, self)






class HwIOAddrRdVldAgent(HwIODataRdVldAgent):



    @override
    def set_data(self, data):
        i = self.hwIO
        if data is None:
            id_, addr = None, None
        elif i.ID_WIDTH:
            id_, addr = data
            i.id.write(id_)
        else:
            addr = data

        i.addr.write(addr)




    @override
    def get_data(self):
        i = self.hwIO
        if i.ID_WIDTH:
            return i.id.read(), i.addr.read()
        else:
            return i.addr.read()